IE61478B1 - Method of production of a1203 with low Na20 content from calcined a1203 powder - Google Patents

Method of production of a1203 with low Na20 content from calcined a1203 powder

Info

Publication number
IE61478B1
IE61478B1 IE248987A IE248987A IE61478B1 IE 61478 B1 IE61478 B1 IE 61478B1 IE 248987 A IE248987 A IE 248987A IE 248987 A IE248987 A IE 248987A IE 61478 B1 IE61478 B1 IE 61478B1
Authority
IE
Ireland
Prior art keywords
alumina
powder
content
calcination
weight
Prior art date
Application number
IE248987A
Other languages
English (en)
Other versions
IE872489L (en
Inventor
Jose Manuel Alvarado Cendan
Flor Campa Campa
Original Assignee
Espanola Alumina Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Espanola Alumina Sa filed Critical Espanola Alumina Sa
Publication of IE872489L publication Critical patent/IE872489L/en
Publication of IE61478B1 publication Critical patent/IE61478B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • C01F7/442—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination in presence of a calcination additive
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/021—After-treatment of oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C01P2006/82—Compositional purity water content
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/09—Reaction techniques
    • Y10S423/15—Comminution

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
IE248987A 1987-07-17 1987-09-14 Method of production of a1203 with low Na20 content from calcined a1203 powder IE61478B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES8702105A ES2004759A6 (es) 1987-07-17 1987-07-17 Metodo de obtencion de alumina especial a partir del polvo producido en la calcinacion de alumina metalurgica

Publications (2)

Publication Number Publication Date
IE872489L IE872489L (en) 1989-01-17
IE61478B1 true IE61478B1 (en) 1994-11-02

Family

ID=8251798

Family Applications (1)

Application Number Title Priority Date Filing Date
IE248987A IE61478B1 (en) 1987-07-17 1987-09-14 Method of production of a1203 with low Na20 content from calcined a1203 powder

Country Status (11)

Country Link
US (1) US4797270A (cs)
AU (1) AU582057B2 (cs)
BR (1) BR8705200A (cs)
CA (1) CA1288213C (cs)
DE (1) DE3730947A1 (cs)
ES (1) ES2004759A6 (cs)
FR (1) FR2618166B1 (cs)
GR (1) GR871389B (cs)
IE (1) IE61478B1 (cs)
IN (1) IN168196B (cs)
IT (1) IT1211490B (cs)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3809693A1 (de) * 1988-03-23 1989-10-12 Hoechst Ceram Tec Ag Verfahren zur herstellung von keramikfoliengiessmassen fuer duennfilmschaltungen
WO1996036563A1 (en) * 1995-05-17 1996-11-21 Aluchem, Inc. Method and apparatus for making high-grade alumina from low-grade aluminum oxide fines
US7232918B2 (en) * 2001-11-06 2007-06-19 Shell Oil Company Catalyst composition
US7504525B2 (en) * 1998-09-14 2009-03-17 Shell Oil Company Catalyst composition
ID28790A (id) * 1998-09-14 2001-07-05 Shell Int Research Bahan pembawa katalis epoksidasi, pembuatan dan penggunaannya
WO2000015333A1 (en) * 1998-09-14 2000-03-23 Shell Internationale Research Maatschappij B.V. Process for removing ionizable species from catalyst surface to improve catalytic properties
US7232786B2 (en) * 1998-09-14 2007-06-19 Shell Oil Company Catalyst composition
ES2182684B2 (es) * 2001-03-26 2004-08-01 Universidade De Santiago De Compostela Procedimiento de obtencion de fibras cristalinas de a-alumina (corindon) a partir de aluminio y silice (cuarzo), en atmosferas controladas conteniendo gases de metales de transicion.
US20040224841A1 (en) * 2003-05-07 2004-11-11 Marek Matusz Silver-containing catalysts, the manufacture of such silver-containing catalysts, and the use thereof
RU2342993C2 (ru) 2003-05-07 2009-01-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Катализаторы, содержащие серебро, получение таких катализаторов и их применение
US20040225138A1 (en) 2003-05-07 2004-11-11 Mcallister Paul Michael Reactor system and process for the manufacture of ethylene oxide
TW200613056A (en) * 2004-04-01 2006-05-01 Shell Int Research A process for preparing a silver catalyst, the catalyst, and a use of the catalyst for olefin oxidation
TW200602123A (en) * 2004-04-01 2006-01-16 Shell Int Research Process for preparing a catalyst, the catalyst, and a use of the catalyst
TW200600190A (en) * 2004-04-01 2006-01-01 Shell Int Research Process for preparing a silver catalyst, the catalyst, and use thereof in olefin oxidation
WO2006036677A2 (en) * 2004-09-24 2006-04-06 Shell Internationale Research Maatschappij B.V. A process for selecting shaped particles, a process for installing a system, a process for reacting a gaseous feedstock in such a system, a computer program product, and a computer system
WO2008064076A2 (en) * 2006-11-20 2008-05-29 Shell Oil Company A process for treating a carrier, a process for preparing a catalyst, the catalyst, and use of the catalyst
ES2324145B2 (es) * 2008-11-05 2010-02-12 Universidad De Oviedo Procedimiento para la obtencion de sulfatos de aluminio, alumina abrasiva y alumbres de potasio y amonio a partir de polvos de electrofiltro de un proceso bayer.
CN102256900A (zh) * 2008-12-17 2011-11-23 赢创德固赛有限公司 制备具有高α-Al2O3含量的氧化铝粉末的方法
CN102463141B (zh) 2010-11-02 2015-05-06 中国石油化工股份有限公司 一种氧化铝载体、其制备方法、由其制成的银催化剂及其应用
TWI632954B (zh) * 2013-05-16 2018-08-21 科學設計股份有限公司 改善環氧乙烷觸媒的催化效能之載體處理
CN103435079B (zh) * 2013-09-04 2015-03-18 化工部长沙设计研究院 一种含铝硅酸盐矿物低温分解生产氧化铝的工艺
CN104556177B (zh) * 2013-10-22 2016-06-22 中国石油化工股份有限公司 片状纳米γ-Al2O3及其制备方法
CN104556162B (zh) * 2013-10-22 2016-04-13 中国石油化工股份有限公司 片状多晶γ-氧化铝及其制备方法
CN104556178B (zh) * 2013-10-22 2016-03-30 中国石油化工股份有限公司 一种多晶γ-氧化铝的制备方法
CN103641133B (zh) * 2013-11-25 2015-12-02 天津大学 粉煤灰合成的方钠石沸石及方法
CN104495892B (zh) * 2014-12-06 2015-12-02 中国铝业股份有限公司 一种α-氧化铝微粉除硅方法
CN115073147A (zh) * 2022-06-28 2022-09-20 浙江自立新材料股份有限公司 一种低钠及超低钠板状烧结刚玉的制备方法
CN116081663A (zh) * 2023-01-31 2023-05-09 中铝山东新材料有限公司 一种低钠微晶α-氧化铝的制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175883A (en) * 1961-06-05 1965-03-30 Aluminium Lab Ltd Process for reducing the soda content of alumina
NL293754A (cs) * 1962-06-14
DE2816194A1 (de) * 1978-04-14 1979-10-25 Giulini Chemie Sinteraktive und alkaliarme tonerde
HU185474B (en) * 1981-11-10 1985-02-28 Almasfuezitoei Timfoeldgyar Process for preparing alpha-aluminium oxyde poor in alkali for ceramic purposes
DE3212297C2 (de) * 1982-03-29 1984-12-13 Schweizerische Aluminium Ag, Chippis Verfahren zur Herstellung grobkristalliner Tonerde
ATE26819T1 (de) * 1982-08-24 1987-05-15 Alusuisse Verfahren zur herstellung von kristalliner tonerde.
US4634581A (en) * 1983-08-03 1987-01-06 Atlantic Richfield Company Production of high purity alumina
US4568527A (en) * 1984-11-06 1986-02-04 Kaiser Aluminum & Chemical Corporation Utilization of partially calcined alumina as precipitation aid in the Bayer process
US4615875A (en) * 1986-02-03 1986-10-07 Allied Corporation Process for preparing high purity alpha-alumina

Also Published As

Publication number Publication date
FR2618166A1 (fr) 1989-01-20
BR8705200A (pt) 1989-02-14
DE3730947A1 (de) 1989-01-26
GR871389B (en) 1988-01-12
AU582057B2 (en) 1989-03-09
FR2618166B1 (fr) 1991-07-12
IT8767845A0 (it) 1987-10-06
IE872489L (en) 1989-01-17
CA1288213C (en) 1991-09-03
US4797270A (en) 1989-01-10
IT1211490B (it) 1989-11-03
AU7848587A (en) 1988-12-22
IN168196B (cs) 1991-02-16
ES2004759A6 (es) 1989-02-01

Similar Documents

Publication Publication Date Title
IE61478B1 (en) Method of production of a1203 with low Na20 content from calcined a1203 powder
US8124048B2 (en) Process for producing high-purity α-alumina
HU185474B (en) Process for preparing alpha-aluminium oxyde poor in alkali for ceramic purposes
EP0429548A1 (en) SMALL PARTICLES AND PLATES OF ALPHA ALUMINUM.
JPS60251125A (ja) バイヤ−法アルミナ水和物の製法
US6153157A (en) Value improvements of clays
CN106747497A (zh) 制备刚玉‑莫来石复相材料的方法
US4130402A (en) Method for producing coarsely crystalline alumina
US3838980A (en) Precipitation of bayer alumina trihydrate suitable for the manufacture of ceramic grade alumina of improved grindability
DE3720444A1 (de) Verfahren zur behandlung von rotschlamm nach dem bayer-verfahren
US5456899A (en) Preparation of titanium dioxide
US3240562A (en) Process for the production of alumina
CA1217030A (en) Process for manufacturing coarse, crystalline alumina
WO2001077021A1 (en) Production of strontium carbonate from celestite
US1950883A (en) Treatment of aluminum hydrate
US3240561A (en) Production of alumina
CN115611307A (zh) 锐钛型化纤专用钛白粉的制备方法
US3934988A (en) Aluminum silicate particles having a layer of a rare earth oxide thereon
KR20070028423A (ko) 저소다 알루미나의 제조방법, 그 장치 및 알루미나
US2987405A (en) Treatment of aluminosilicates
US2209131A (en) Process for the preparation of beryllium compounds
US2310242A (en) Zirconium oxide opacifier and method of making same
RU2047561C1 (ru) Способ получения малощелочного глинозема
JP4337267B2 (ja) 高白色水酸化アルミニウムの製造方法
AU715866B2 (en) Value improvement of clays

Legal Events

Date Code Title Description
MK9A Patent expired